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Submission #932171

# Submission time Handle Problem Language Result Execution time Memory
932171 2024-02-23T04:11:49 Z Muhammad_Aneeq Graph (BOI20_graph) C++17
58 / 100
 700 ms 16840 KB 
  /*
  بسم الله الرحمن الرحيم
  Author:
                            (:Muhammad Aneeq:)
  */
#include <iostream>
#include <vector>
#include <bitset>
#include <queue>
using namespace std;
int const N=1e5+10;
vector<pair<int,int>>nei[N]={};
float val[N]={},ansval[N]={};
bitset<N>vis;
vector<vector<int>>f;
float mx=1e9+10;
int n,m;
inline bool bfs(int u)
{
  queue<int>g;
  g.push(u);
  while (g.size())
  {
    int u=g.front();
    g.pop();
    for (auto [i,j]:nei[u])
    {
      if (val[i]==-1e9)
      {
        val[i]=j-val[u];
        g.push(i);
      }
      else if (val[i]+val[u]!=j)
        return 0;
    }
  }
  return 1;
}
void dfs(int x)
{
  vis[x]=1;
  f.back().push_back(x);
  for (auto [i,j]:nei[x])
  {
    if (!vis[i])
      dfs(i);
  }
}
inline void solve()
{
  cin>>n>>m;
  for (int i=0;i<m;i++)
  {
    int u,v,t;
    cin>>u>>v>>t;
    nei[u].push_back({v,t});
    nei[v].push_back({u,t});
  }
  for (int i=1;i<=n;i++)
  {
    if (!vis[i])
    {
      f.push_back({});
      dfs(i);
    }
  }
  for (int i=1;i<=n;i++)
  {
    val[i]=-1e9;
    ansval[i]=-1e9;
  }
  for (auto i:f)
  {
    int r=i[0];
    float mx=1e9+10;
    for (float j=-100;j<=50;j+=0.5)
    {
      val[r]=j;
      if (bfs(r))
      {
        float z=0;
        for (auto k:i)
          z+=abs(val[k]);
        if (z<mx)
        {
          mx=z;
          for (auto k:i)
            ansval[k]=val[k];
        }
      }
      for (auto k:i)
        val[k]=-1e9;
    }
    if (mx==1e9+10)
    {
      cout<<"NO\n";return;
    }
  }
  for (int i=1;i<=n;i++)
  {
    if (ansval[i]==-1e9)
    {
      cout<<"NO\n";return;
    }
  }
  cout<<"YES\n";
  for (int i=1;i<=n;i++)
    cout<<ansval[i]<<' ';
  cout<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB answer = YES
2 Correct 1 ms 3420 KB answer = YES
3 Correct 1 ms 3420 KB answer = YES
4 Correct 1 ms 3420 KB answer = NO
5 Correct 1 ms 3420 KB answer = YES
6 Correct 2 ms 3420 KB answer = YES
7 Correct 1 ms 3420 KB answer = YES
8 Correct 1 ms 3420 KB answer = YES
9 Correct 2 ms 3416 KB answer = NO
10 Correct 1 ms 3416 KB answer = YES
11 Correct 1 ms 3420 KB answer = YES
12 Correct 1 ms 3420 KB answer = NO
13 Correct 1 ms 3420 KB answer = YES
14 Correct 1 ms 3420 KB answer = YES
15 Correct 1 ms 3420 KB answer = YES
16 Correct 1 ms 3420 KB answer = YES
17 Correct 1 ms 3420 KB answer = YES
18 Correct 1 ms 3420 KB answer = YES
19 Correct 1 ms 3420 KB answer = YES
20 Correct 2 ms 3420 KB answer = YES
21 Correct 1 ms 3420 KB answer = YES
22 Correct 1 ms 3420 KB answer = NO
23 Correct 1 ms 3420 KB answer = NO

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB answer = YES
2 Correct 1 ms 3420 KB answer = YES
3 Correct 1 ms 3420 KB answer = YES
4 Correct 1 ms 3420 KB answer = NO
5 Correct 1 ms 3420 KB answer = YES
6 Correct 2 ms 3420 KB answer = YES
7 Correct 1 ms 3420 KB answer = YES
8 Correct 1 ms 3420 KB answer = YES
9 Correct 2 ms 3416 KB answer = NO
10 Correct 1 ms 3416 KB answer = YES
11 Correct 1 ms 3420 KB answer = YES
12 Correct 1 ms 3420 KB answer = NO
13 Correct 1 ms 3420 KB answer = YES
14 Correct 1 ms 3420 KB answer = YES
15 Correct 1 ms 3420 KB answer = YES
16 Correct 1 ms 3420 KB answer = YES
17 Correct 1 ms 3420 KB answer = YES
18 Correct 1 ms 3420 KB answer = YES
19 Correct 1 ms 3420 KB answer = YES
20 Correct 2 ms 3420 KB answer = YES
21 Correct 1 ms 3420 KB answer = YES
22 Correct 1 ms 3420 KB answer = NO
23 Correct 1 ms 3420 KB answer = NO
24 Correct 2 ms 3420 KB answer = YES
25 Correct 1 ms 3420 KB answer = YES
26 Correct 1 ms 3672 KB answer = YES
27 Correct 1 ms 3420 KB answer = YES
28 Correct 1 ms 3436 KB answer = YES
29 Correct 1 ms 3420 KB answer = YES
30 Correct 1 ms 3420 KB answer = NO
31 Correct 1 ms 3420 KB answer = YES
32 Correct 1 ms 3420 KB answer = YES
33 Correct 1 ms 3420 KB answer = YES
34 Correct 1 ms 3420 KB answer = YES
35 Correct 1 ms 3420 KB answer = YES
36 Correct 2 ms 3420 KB answer = YES

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB answer = YES
2 Correct 1 ms 3420 KB answer = YES
3 Correct 1 ms 3420 KB answer = YES
4 Correct 1 ms 3420 KB answer = NO
5 Correct 1 ms 3420 KB answer = YES
6 Correct 2 ms 3420 KB answer = YES
7 Correct 1 ms 3420 KB answer = YES
8 Correct 1 ms 3420 KB answer = YES
9 Correct 2 ms 3416 KB answer = NO
10 Correct 1 ms 3416 KB answer = YES
11 Correct 1 ms 3420 KB answer = YES
12 Correct 1 ms 3420 KB answer = NO
13 Correct 1 ms 3420 KB answer = YES
14 Correct 1 ms 3420 KB answer = YES
15 Correct 1 ms 3420 KB answer = YES
16 Correct 1 ms 3420 KB answer = YES
17 Correct 1 ms 3420 KB answer = YES
18 Correct 1 ms 3420 KB answer = YES
19 Correct 1 ms 3420 KB answer = YES
20 Correct 2 ms 3420 KB answer = YES
21 Correct 1 ms 3420 KB answer = YES
22 Correct 1 ms 3420 KB answer = NO
23 Correct 1 ms 3420 KB answer = NO
24 Correct 2 ms 3420 KB answer = YES
25 Correct 1 ms 3420 KB answer = YES
26 Correct 1 ms 3672 KB answer = YES
27 Correct 1 ms 3420 KB answer = YES
28 Correct 1 ms 3436 KB answer = YES
29 Correct 1 ms 3420 KB answer = YES
30 Correct 1 ms 3420 KB answer = NO
31 Correct 1 ms 3420 KB answer = YES
32 Correct 1 ms 3420 KB answer = YES
33 Correct 1 ms 3420 KB answer = YES
34 Correct 1 ms 3420 KB answer = YES
35 Correct 1 ms 3420 KB answer = YES
36 Correct 2 ms 3420 KB answer = YES
37 Correct 2 ms 3420 KB answer = YES
38 Correct 1 ms 3420 KB answer = YES
39 Correct 3 ms 3420 KB answer = YES
40 Correct 2 ms 3420 KB answer = YES
41 Correct 2 ms 3420 KB answer = NO
42 Correct 4 ms 3416 KB answer = YES
43 Correct 4 ms 3420 KB answer = YES
44 Correct 4 ms 3420 KB answer = YES
45 Correct 3 ms 3420 KB answer = YES
46 Correct 2 ms 3420 KB answer = YES
47 Correct 2 ms 3420 KB answer = YES
48 Correct 3 ms 3420 KB answer = YES

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB answer = YES
2 Correct 1 ms 3420 KB answer = YES
3 Correct 1 ms 3420 KB answer = YES
4 Correct 1 ms 3420 KB answer = NO
5 Correct 1 ms 3420 KB answer = YES
6 Correct 2 ms 3420 KB answer = YES
7 Correct 1 ms 3420 KB answer = YES
8 Correct 1 ms 3420 KB answer = YES
9 Correct 2 ms 3416 KB answer = NO
10 Correct 1 ms 3416 KB answer = YES
11 Correct 1 ms 3420 KB answer = YES
12 Correct 1 ms 3420 KB answer = NO
13 Correct 1 ms 3420 KB answer = YES
14 Correct 1 ms 3420 KB answer = YES
15 Correct 1 ms 3420 KB answer = YES
16 Correct 1 ms 3420 KB answer = YES
17 Correct 1 ms 3420 KB answer = YES
18 Correct 1 ms 3420 KB answer = YES
19 Correct 1 ms 3420 KB answer = YES
20 Correct 2 ms 3420 KB answer = YES
21 Correct 1 ms 3420 KB answer = YES
22 Correct 1 ms 3420 KB answer = NO
23 Correct 1 ms 3420 KB answer = NO
24 Correct 2 ms 3420 KB answer = YES
25 Correct 1 ms 3420 KB answer = YES
26 Correct 1 ms 3672 KB answer = YES
27 Correct 1 ms 3420 KB answer = YES
28 Correct 1 ms 3436 KB answer = YES
29 Correct 1 ms 3420 KB answer = YES
30 Correct 1 ms 3420 KB answer = NO
31 Correct 1 ms 3420 KB answer = YES
32 Correct 1 ms 3420 KB answer = YES
33 Correct 1 ms 3420 KB answer = YES
34 Correct 1 ms 3420 KB answer = YES
35 Correct 1 ms 3420 KB answer = YES
36 Correct 2 ms 3420 KB answer = YES
37 Correct 2 ms 3420 KB answer = YES
38 Correct 1 ms 3420 KB answer = YES
39 Correct 3 ms 3420 KB answer = YES
40 Correct 2 ms 3420 KB answer = YES
41 Correct 2 ms 3420 KB answer = NO
42 Correct 4 ms 3416 KB answer = YES
43 Correct 4 ms 3420 KB answer = YES
44 Correct 4 ms 3420 KB answer = YES
45 Correct 3 ms 3420 KB answer = YES
46 Correct 2 ms 3420 KB answer = YES
47 Correct 2 ms 3420 KB answer = YES
48 Correct 3 ms 3420 KB answer = YES
49 Correct 73 ms 3944 KB answer = YES
50 Correct 11 ms 4188 KB answer = YES
51 Correct 46 ms 4200 KB answer = YES
52 Correct 11 ms 4380 KB answer = NO
53 Correct 4 ms 3432 KB answer = YES
54 Correct 9 ms 3420 KB answer = YES
55 Correct 24 ms 3676 KB answer = YES
56 Correct 65 ms 3928 KB answer = YES
57 Correct 44 ms 3920 KB answer = YES
58 Correct 40 ms 3672 KB answer = YES
59 Correct 18 ms 3932 KB answer = YES
60 Correct 52 ms 3932 KB answer = YES
61 Correct 12 ms 3672 KB answer = YES
62 Correct 39 ms 8588 KB answer = NO
63 Correct 48 ms 8532 KB answer = YES
64 Correct 52 ms 8720 KB answer = NO
65 Correct 43 ms 8692 KB answer = YES
66 Correct 7 ms 3420 KB answer = YES

Subtask #5
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB answer = YES
2 Correct 1 ms 3420 KB answer = YES
3 Correct 1 ms 3420 KB answer = YES
4 Correct 1 ms 3420 KB answer = NO
5 Correct 1 ms 3420 KB answer = YES
6 Correct 2 ms 3420 KB answer = YES
7 Correct 1 ms 3420 KB answer = YES
8 Correct 1 ms 3420 KB answer = YES
9 Correct 2 ms 3416 KB answer = NO
10 Correct 1 ms 3416 KB answer = YES
11 Correct 1 ms 3420 KB answer = YES
12 Correct 1 ms 3420 KB answer = NO
13 Correct 1 ms 3420 KB answer = YES
14 Correct 1 ms 3420 KB answer = YES
15 Correct 1 ms 3420 KB answer = YES
16 Correct 1 ms 3420 KB answer = YES
17 Correct 1 ms 3420 KB answer = YES
18 Correct 1 ms 3420 KB answer = YES
19 Correct 1 ms 3420 KB answer = YES
20 Correct 2 ms 3420 KB answer = YES
21 Correct 1 ms 3420 KB answer = YES
22 Correct 1 ms 3420 KB answer = NO
23 Correct 1 ms 3420 KB answer = NO
24 Correct 2 ms 3420 KB answer = YES
25 Correct 1 ms 3420 KB answer = YES
26 Correct 1 ms 3672 KB answer = YES
27 Correct 1 ms 3420 KB answer = YES
28 Correct 1 ms 3436 KB answer = YES
29 Correct 1 ms 3420 KB answer = YES
30 Correct 1 ms 3420 KB answer = NO
31 Correct 1 ms 3420 KB answer = YES
32 Correct 1 ms 3420 KB answer = YES
33 Correct 1 ms 3420 KB answer = YES
34 Correct 1 ms 3420 KB answer = YES
35 Correct 1 ms 3420 KB answer = YES
36 Correct 2 ms 3420 KB answer = YES
37 Correct 2 ms 3420 KB answer = YES
38 Correct 1 ms 3420 KB answer = YES
39 Correct 3 ms 3420 KB answer = YES
40 Correct 2 ms 3420 KB answer = YES
41 Correct 2 ms 3420 KB answer = NO
42 Correct 4 ms 3416 KB answer = YES
43 Correct 4 ms 3420 KB answer = YES
44 Correct 4 ms 3420 KB answer = YES
45 Correct 3 ms 3420 KB answer = YES
46 Correct 2 ms 3420 KB answer = YES
47 Correct 2 ms 3420 KB answer = YES
48 Correct 3 ms 3420 KB answer = YES
49 Correct 73 ms 3944 KB answer = YES
50 Correct 11 ms 4188 KB answer = YES
51 Correct 46 ms 4200 KB answer = YES
52 Correct 11 ms 4380 KB answer = NO
53 Correct 4 ms 3432 KB answer = YES
54 Correct 9 ms 3420 KB answer = YES
55 Correct 24 ms 3676 KB answer = YES
56 Correct 65 ms 3928 KB answer = YES
57 Correct 44 ms 3920 KB answer = YES
58 Correct 40 ms 3672 KB answer = YES
59 Correct 18 ms 3932 KB answer = YES
60 Correct 52 ms 3932 KB answer = YES
61 Correct 12 ms 3672 KB answer = YES
62 Correct 39 ms 8588 KB answer = NO
63 Correct 48 ms 8532 KB answer = YES
64 Correct 52 ms 8720 KB answer = NO
65 Correct 43 ms 8692 KB answer = YES
66 Correct 7 ms 3420 KB answer = YES
67 Correct 338 ms 14048 KB answer = YES
68 Correct 340 ms 13896 KB answer = YES
69 Correct 254 ms 13896 KB answer = YES
70 Correct 98 ms 16840 KB answer = YES
71 Correct 266 ms 13900 KB answer = YES
72 Execution timed out 727 ms 8244 KB Time limit exceeded
73 Halted 0 ms 0 KB -